Ring light source



FIG. 1 is a perspective view of a ring light source showing our design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a back elevational view thereof;

FIG. 4 is a left-side, elevational view thereof;

FIG. 5 is a right-side, elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for ring light source, as shown and described. 